| Boulogne-sur-Mer to Waregem | 78.69 mi (126.64 km) |
| Boulogne-sur-Mer to Waremme | 159.29 mi (256.35 km) |
| Boulogne-sur-Mer to Waterloo | 121.10 mi (194.89 km) |
| Boulogne-sur-Mer to Wavre | 130.58 mi (210.14 km) |
| Boulogne-sur-Mer to Welkenraedt | 190.71 mi (306.92 km) |
| Boulogne-sur-Mer to Wemmel | 117.94 mi (189.80 km) |
| Boulogne-sur-Mer to Wervik | 62.41 mi (100.44 km) |
| Boulogne-sur-Mer to Westerlo | 145.96 mi (234.89 km) |
| Boulogne-sur-Mer to Wetteren | 100.72 mi (162.09 km) |
| Boulogne-sur-Mer to Wevelgem | 68.80 mi (110.73 km) |
| Boulogne-sur-Mer to Wezembeek-Oppem | 126.26 mi (203.20 km) |
| Boulogne-sur-Mer to Wichelen | 104.29 mi (167.84 km) |
| Boulogne-sur-Mer to Wielsbeke | 77.64 mi (124.95 km) |
| Boulogne-sur-Mer to Wijnegem | 131.69 mi (211.94 km) |
| Boulogne-sur-Mer to Willebroek | 122.20 mi (196.67 km) |
